Description:
Dorsal spines (total): 2; Dorsal soft rays (total):
4; Anal soft rays: 11; Vertebrae: 35. Extremely elongate
first pectoral-fin element. Length of Caudal peduncle
23.0% SL. Elongate snout. Body sides with well-defined
rows of enlarged elongate tubercles. Well-defined
fold of skin where branchiostegal membranes meet.
Remarks: This species is found in
the main channels of large, turbid rivers with a moderate
flow and sandy or muddy substrate.
Common
Name:
None
Synonyms:
Akysis filifer
Family:
Akysidae
Distribution:
Asia:
Great Lake in Tonlé Sap drainage in Cambodia.
Type locality: Cambodia: Kandal, Tonle Sap,
fishing lot 8, 22 miles upstream from Phnom Penh,
11º44'N, 104º50'E.
Size:
5.0cm (2ins)
Temp:
22-27°C
(71-81°F)
p.H.
6.0-7.5.
Reference:
Ng, H.H. and W.J. Rainboth,
2005. Four new species of Akysis (Teleostei: Siluriformes:
Akysidae) from mainland Southeast Asia, with comments
on A. similis. Raffles Bull. Zool. Supplement (13):33-42. Ferraris, C.J. Jr., 2007. Checklist
of catfishes, recent and fossil (Osteichthyes: Siluriformes),
and catalogue of siluriform primary types. Zootaxa
1418:1-628. Ng, H.H. 2012. Pseudobagarius filifer.
The IUCN Red List of Threatened Species 2012.
Pseudobagarius
filifer Dorsal view-showing the extended first
pectoral-spine
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